1. 28 Oct, 2007 1 commit
  2. 25 Oct, 2007 2 commits
    • Peter Zijlstra's avatar
      sched: fix unconditional irq lock · ab63a633
      Peter Zijlstra authored
      Lockdep noticed that this lock can also be taken from hardirq context, and can
      thus not unconditionally disable/enable irqs.
      
       WARNING: at kernel/lockdep.c:2033 trace_hardirqs_on()
        [show_trace_log_lvl+26/48] show_trace_log_lvl+0x1a/0x30
        [show_trace+18/32] show_trace+0x12/0x20
        [dump_stack+22/32] dump_stack+0x16/0x20
        [trace_hardirqs_on+405/416] trace_hardirqs_on+0x195/0x1a0
        [_read_unlock_irq+34/48] _read_unlock_irq+0x22/0x30
        [sched_debug_show+2615/4224] sched_debug_show+0xa37/0x1080
        [show_state_filter+326/368] show_state_filter+0x146/0x170
        [sysrq_handle_showstate+10/16] sysrq_handle_showstate+0xa/0x10
        [__handle_sysrq+123/288] __handle_sysrq+0x7b/0x120
        [handle_sysrq+40/64] handle_sysrq+0x28/0x40
        [kbd_event+1045/1680] kbd_event+0x415/0x690
        [input_pass_event+206/208] input_pass_event+0xce/0xd0
        [input_handle_event+170/928] input_handle_event+0xaa/0x3a0
        [input_event+95/112] input_event+0x5f/0x70
        [atkbd_interrupt+434/1456] atkbd_interrupt+0x1b2/0x5b0
        [serio_interrupt+59/128] serio_interrupt+0x3b/0x80
        [i8042_interrupt+263/576] i8042_interrupt+0x107/0x240
        [handle_IRQ_event+40/96] handle_IRQ_event+0x28/0x60
        [handle_edge_irq+175/320] handle_edge_irq+0xaf/0x140
        [do_IRQ+64/128] do_IRQ+0x40/0x80
        [common_interrupt+46/52] common_interrupt+0x2e/0x34
      Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
      Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
      ab63a633
    • Peter Zijlstra's avatar
      lockdep: fixup irq tracing · 143a5d32
      Peter Zijlstra authored
      Ensure we fixup the IRQ state before we hit any locking code.
      Signed-off-by: default avatarPeter Zijlstra <a.p.zijlstra@chello.nl>
      Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
      143a5d32
  3. 24 Oct, 2007 37 commits